MHTCET 2016 Math Solved Paper

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Question : 25 of 50
 
Marks: +1, -0
The acute angle between the line
r
= (
^
i
+2
^
j
+
^
k
)
+ λ(
^
i
+
^
j
+
^
k
)
and the plane
r
×(2
^
i
^
j
+
^
k
)
= 5
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